1、Unit 3Section Warming Up & Reading.阅读理解AWhat do Tom Sawyer and Jumping Frogs have in common? Stories about both of them were created by one man: Mark Twain. Twain was four years old when his family moved to Hannibal, Missouri, located on the west bank of the Mississippi. Twain grew up there and was
2、fascinated with (使入迷) life along the riverthe steamboats, the giant lumber (木头) rafts, and the people who worked on them.The Celebrated Jumping Frog of Calaveras County is one of Twains best loved short stories, and The Adventures of Tom Sawyer is one of his most famous novels. Both these works are
3、celebrated by events held during National Tom Sawyer Days, which originated in the late 1950s and became national in the 1960s. Children enter their frogs in the jumping contest during National Tom Sawyer Days. Theres also a fence painting contest to see who can paint the fastest. The idea for this
4、contest comes from a scene in Tom Sawyer, in which Tom has been told to paint the fence in front of the house he lives in. Its a beautiful day, and he would rather be doing anything else. As his friends walk by, he makes them believe that its fun to paint, and they join in the “fun”. By the end of t
5、he day, the fence has three coats of paint!Although the story of Tom Sawyer is a fiction (虚构的事), its based on facts. If you go to Hannibal, youll see the white fence, which still stands at Twains boyhood home.【语篇解读】本文主要介绍了马克吐温的两部作品及汤姆索亚日期间的一些活动。1Which of the following statements about Mark Twain is
6、TRUE?AHe was born in Hannibal.BHe enjoyed his life in Hannibal.CHe spent most of his childhood on the Mississippi.DHe often went rafting (坐船漂流) on the Mississippi with his parents.解析：选B细节理解题。从第一段第四句“Twain grew up there and was fascinated with (使入迷) life along the river .”可知B正确。2Tom Sawyer Days were
7、created .Aabout forty years agoBin memory of a great writerCshortly after Twains deathDto improve kids interest in reading解析：选B推理判断题。第二段说全国汤姆索亚日期间会举办不同的活动，旨在颂扬这两部作品，由此推理是为了纪念这两部作品的作者马克吐温。3Who will win the fence painting contest?ABob, painting the longest.BJulia, painting most carefully.CJim, paintin
8、g in the newest way.DJohn, painting in the shortest time.解析：选D推理判断题。由第二段第四句“Theres also a fence painting contest to see who can paint the fastest.”可推知，能在最短的时间内漆完篱笆的将获胜，故选D。4From the white fence at Twains boyhood home, we know that .Athe story of Tom Sawyer is based partly on Twains experiencesBthe s
9、tory of Tom Sawyer is based totally on Twains imaginationCTwains old house is painted by the fence painting competitorsDTwains old house is visited by people from all over the country解析：选A推理判断题。至今仍伫立在吐温孩童时期的家外的那片白色篱笆是用来说明句首结论的“Although the story of Tom Sawyer is a fiction (虚构的事), its based on facts.
10、”，因为从上一段可知汤姆索亚历险记中有与此相关的情节。B“The noise made by boats of whale watching tourists may be causing communication problems for the animals，” British researchers said last week.Whale watching is a popular tourist activity in places where groups of killer whales (虎鲸) live. Every day, dozens of boats filled
11、 with tourists go to watch the beautiful animals. Unfortunately, the engines of the boats make a lot of noise, and that may be causing problems for the whales, according to a report in the US science magazine Nature.The whales travel in groups, and communicate with each other through sonic calls tha
12、t some scientists refer to as singing. The sounds of the boat engines may be creating too much background noise for the whales to be able to hear each other.The researchers listened to recordings of whale calls made between 15 and 25 years ago, before whale watching became popular. These were compar
13、ed to more recent recordings.They found that the animals have started to sing for longer than they used to, like a person shouting to a friend across a noisy room.It is believed that the whales are trying to communicate hunting or breeding information. Scientists said that, if this is prevented, the
14、 future of the worlds whale population could be in danger.“Animals become slow in mind and repeat themselves in noisy areas，” said Volker Deecke, a Canadian biologist.“They have to say things twice or three times in order to be understood.”The killer whales studied were living off the coast of north
15、western America. The number of killer whales in this area has been falling for several years, but scientists are not sure why.【语篇解读】本文为说明文，首先介绍了观鲸船产生的噪音对虎鲸之间的交流造成了困难，然后又介绍了观鲸旅游的盛行和对虎鲸之间交流方式的影响。5The passage mainly tells us .Athe problems of whale watchingBhow killer whales communicate with each other
16、Cthe reduced population of killer whales caused by whale watchingDhearing problems of the killer whales caused by whale watching解析：选D主旨大意题。概括文章第一段可得出答案，观鲸船的噪音给虎鲸的信息交流造成了困难。6Now in a noisy background, the killer whales have to .Asing in a louder voiceBsing longerCtravel in smaller groupsDget nearer t
17、o each other解析：选B细节理解题。由第五段可知，因为受噪音干扰，现在虎鲸“唱”的时间比原来长。7Scientists believe that killer whales sing to .Awarn each other of dangersBkeep in the same groupCsend useful informationDenjoy themselves解析：选C细节理解题。文章倒数第三段有说明，虎鲸“唱歌”是为了交流捕食或繁殖信息。8From the passage, we can feel that the author is .AangryBhopefulCw
18、orried Ddisappointed解析：选C推理判断题。文章介绍观鲸船的噪音给虎鲸间的交流造成了困难，从文章最后的叙述看，虎鲸数量在下降，而科学家也不明白其中原因，因此显然作者对虎鲸的生存状况感到“担忧”。.语法填空Almost every day, we discuss the topic of health.1. (stay) healthy, we should eat well, work out regularly and have a healthy lifestyle.Eat different kinds of food,2. (especial) fruit and v
19、egetables. We all know that eating fruit and vegetables keeps us healthy,3. many of us only eat our favorite food. Remember that we can only get 4. our body needs by eating a wide variety of food. When you are eating, notice how your body feels. When your stomach is full, stop 5. (eat). If you alway
20、s eat too much, most probably you 6. (become) out of shape.Drink water and milk often. Everyone 7. (know) that water is important to us. Besides water, kids also need plenty of calcium, and milk is rich in calcium. If you are 9 years old or older, you should drink 8. least three cups of milk every d
21、ay.It is also of great 9. (important) to lead a healthy lifestyle. Limit the amount of time you spend watching TV and playing computer games. Spend more time doing sports, and youll be healthy and 10. (energy)【语篇解读】本文为说明文。我们每个人都渴望健康，要想保持身体健康，我们需要吃好、定期锻炼，并养成良好的生活习惯。1解析：To stay healthy是不定式短语作目的状语。答案：T
22、o stay2解析：especially表示“尤其”。答案：especially3解析：前后两句之间意义上存在转折关系，用but连接。答案：but4解析：分析句子结构可知，“what our body needs”是宾语从句。答案：what5解析：stop doing sth.表示“停止做某事”。答案：eating6解析：这里指的是吃太多后将会发生的事，故用一般将来时。答案：will become7解析：不定代词作主语时，谓语动词用单数。答案：knows8解析：at least表示“至少”。答案：at9解析：空处所填单词在句中作介词of的宾语，且前面有形容词great修饰，需用importan
23、t的名词形式。答案：importance10解析：空处所填单词与前面的healthy相并列，因此该空需用energy的形容词形式。答案：energetic1have.in common有共同之处2originate v起源3engine n引擎4sonic adj.声音的；声波的5refer to.as 把当作6background n背景Whale watching is a popular tourist activity in places where groups of killer whales (虎鲸) live.分析这是一个复合句；关系副词where在句中引导定语从句修饰先行词places。翻译观鲸是一项很受欢迎的活动，在这些地方生活着成群的虎鲸。